Science2 hOctober 28, 2026, 06:12

ORNL commissions sub-ångström electron microscope for autonomous materials discovery

Oak Ridge National Laboratory has put a Thermo Scientific Spectra Ultra STEM into operation with sub-0.05 nm resolution. The instrument pairs two aberration correctors with a monochromator reaching under 0.025 eV energy resolution and is designed for AI-driven autonomous experiments.

Tech Times

Open source

ORNL commissions sub-ångström electron microscope for autonomous materials discovery

Microscope resolution reaches 50 picometers, below 0.05 nm
X-FEG/UltiMono monochromator narrows energy spread to under 0.025 eV at 60 kV
Accelerating voltage switches between 30 and 300 kV with a thermally stable lens
Panther detector offers 16 independent channels for differential phase contrast

#ORNL#ThermoScientific

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ORNL commissions sub-ångström electron microscope for autonomous materials discovery

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